Grammar fix
brush up on
improve knowledge or skill
To quickly review or practice something you already learned, so you remember it better or become more skilled.
phrasal verbB1common
Hear it in context
Notice where the phrase sounds natural.
- I need to brush up on my Spanish before my trip to Mexico.study
- If I had more time, I would brush up on my presentation skills to feel more confident during public speaking.IELTS speaking
Fix the pattern
Pattern: brush up on [something]
WrongI need to brush up my Spanish.
RightI need to brush up on my Spanish.
'Brush up ON something'.
Patternbrush up on [something]
Use it right
Choose the version that sounds natural in speech.
'Refresh and revise previously acquired' is clunky; 'brush up on' is the natural idiom.
Build natural chunks
Words that usually travel with it.
brush up ononmy Frenchthe basicsyour grammar
Don't confuse it
Different from 'pick up', which means to learn something for the first time.